Fan



FIG. 1 is a perspective view of a fan;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a rear elevation view thereof;

FIG. 4 is a first side elevation view thereof;

FIG. 5 is a second side elevation view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

The broken line showing of the fan is for the purpose of illustratingportions of the article and forms no part of the claimed design.

CLAIM The ornamental design for a fan, as shown and described.